140044233908778 has 32 divisors (see below), whose sum is σ = 280728054936000. Its totient is φ = 46574818957056.

The previous prime is 140044233908753. The next prime is 140044233908779. The reversal of 140044233908778 is 877809332440041.

It is a super-2 number, since 2×140044233908778² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140044233908779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104080648 + ... + 105417596.

It is an arithmetic number, because the mean of its divisors is an integer number (8772751716750).

Almost surely, 2^{140044233908778} is an apocalyptic number.

140044233908778 is an abundant number, since it is smaller than the sum of its proper divisors (140683821027222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140044233908778 is a wasteful number, since it uses less digits than its factorization.

140044233908778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376806.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 140044233908778 in words is "one hundred forty trillion, forty-four billion, two hundred thirty-three million, nine hundred eight thousand, seven hundred seventy-eight".